Sildenafil Citrate is a prescription drug that is sold as Viagra, Revatio and other names.
This drug is used to treat erectile dysfunction, a medical term for having trouble with erection. Aside from that, it could also cure pulmonary arterial hypertension. Viagra, being the most common of them was introduced to the world in 1998 by Pfizer, Inc a pharmaceutical company.

1 in 100 men are suffering from erectile dysfunction, or ED and impotence as it is commonly called. As men grow older, the chances of having this problem increases. It starts with around 5% for 40 year old men to around 80% when they reach age 75. Unhealthy lifestyle and psychological problems like stress and anxiety among males contribute to the increase in rate of getting this condition. Of course, it could eventually lead to self confidence issues and a negative effect on relationships with partners.

Since impotence became a very common problem for mature men, Sildenafil Citrate or Viagra thus became very well known too.

Just because it is popular though, still a number of men do not understand how it works and how to use it. As already mentioned, this is a prescription drug.
So, it is highly recommended that it is only taken upon the recommendation of a doctor. Viagra comes in the color blue. That is the reason why it became much more known with the name "the blue pill". It comes in three variants. 25, 50 and 100 milligrams. 50 milligrams is usually the most recommended dosage and only one pill must be taken a day.

The dosage may vary depending on how effective the pill is for the certain patient. To increase its effectiveness and absorption, it is also recommended to take it without food or on an empty stomach.

It is also important to understand and know the side effects that come with this drug.

There are a lot of reported and documented cases of stuffy nose, back pains, mild headaches and a growling stomach. More serious side effects that were reported were sudden loss in hearing and 비아그라효과효능 vision, breathing issues and very painful erections. Because these are very dangerous and serious side effects, there are a lot of things to consider before taking it.

Aside from the prescription of the doctor, you are not supposed to take it when you have certain allergies especially with nitrate. It could lead to serious trouble.

That is pretty much everything there is to know about Sildenafil Citrate. Viagra is the most common one.
So, before taking it to try to treat your erectile dysfunction or impotence, be sure to review all the facts and considerations first. It is always better to be safe than sorry.